無色或淺灰色結(jié)晶,見光或露置空氣中變色。">

    <del id="m4eh7"><form id="m4eh7"></form></del>
  1. <b id="m4eh7"><abbr id="m4eh7"></abbr></b>
    <del id="m4eh7"><form id="m4eh7"></form></del>

    1. Benzidine

      Update:2014/10/4 17:50:08

        Item:Benzidine
        Synonym:聯(lián)苯胺
        CAS No.:92-87-5Special Grade:Reagent
        Formula:C12H12N2M.W.:184.24
      Order
        Product No.SizePriceBrand
        B0123-10g10g180GBCBIO
        B0123-5g5g110GBCBIO
      Introduction
        Purity........................................................ >99%  
        Melting Poit..................................... 128~129℃ 
        Sulfate ...................................................<0.01% 
        Insolubles in di
        無色或淺灰色結(jié)晶,見光或露置空氣中變色。
      More Products

        <del id="m4eh7"><form id="m4eh7"></form></del>
      1. <b id="m4eh7"><abbr id="m4eh7"></abbr></b>
        <del id="m4eh7"><form id="m4eh7"></form></del>

        1. 国产欧美亚洲操逼视频 | 亚洲精品乱码久久久久99 | 国产成人综合视频 | 青青草原夫妇在线观看视频网站 | porn麻豆|